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Network function virtualization (NFV) enabled software defined optical transport networks are first designed to implement the virtualization of control and node function, and virtualization solution is demonstrated to verify the overall feasibility and efficiency.
For the first time, re-provisioning is introduced into advanced reservation enabled optical transport networks as a novel perspective for optimization. Demonstration results show parallel service re-provisioning (PSRP) can improve the efficiency of network resource significantly.
Due to the emergence of cloud computing and various cloud services which are remote and geographically distributed, datacenters interconnected by optical networks have attracted much attention of network operators and service providers. With the purpose of supporting cloud services more effectively and efficiently, IT resources and interconnected network resources provisioning could be considered...
We present a cloud resources integrated provisioning architecture utilizing coordinated virtualization of distributed datacenters and operator's multi-domain software define optical network. The overall feasibility and efficiency of two proposed virtual network composition schemes are investigated on our testbed.
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